Writing instrument, in particular a roller ball pen comprising an information support
OwnerNiels Raederinventor
Life of this patent
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Abstract
The invention relates to a writing instrument, in particular a roller ball pen, comprising a housing (7), with a reservoir (2) for ink (9) and a writing head (4), with a writing tip (5), whereby ink (9) from the reservoir (2) may be supplied to the writing tip (5) for drawing or writing. An information support (3) is arranged in the reservoir (2) in such a manner that the ink (9) provided in the reservoir (2) firstly covers the information on the information support (3) which becomes visible on gradual use of the ink (9).
Claims12
Writing instrument comprising a housing (7) with a reservoir (2) for ink (9) or a liquid dye and a writing head (4) with a writing tip (5), wherein ink (9) from the reservoir (2) can be supplied to the writing tip (5) for drawing or writing, said writing instrument being characterized in that an information support (3) is arranged in the reservoir (2) in such a way that the ink (9) present in the reservoir (2) initially hides the information on the information support (3), as a result of which said information becomes visible only on the gradual use of the ink (9).
Dependencies are inferred from the claim text.